Home / 7,963.22-10,989.51-4,426.58

Finding the Fourth Proportional to 7,963.22, 10,989.51 and 4,426.58

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Solution

The fourth proportional to 7,963.22, 10,989.51 and 4,426.58 is: 6,108.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,963.22 : 10,989.51 = 4,426.58 : x
  2. Step 2: Convert to fraction form
    7,963.22/10,989.51 = 4,426.58/x
  3. Step 3: Cross multiply
    7,963.22x = 10,989.51 × 4,426.58
  4. Step 4: Simplify right side
    7,963.22x = 48,645,945.18
  5. Step 5: Solve for x
    x = 48,645,945.18/7,963.22
  6. Step 6: Final answer
    x = 6,108.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.